CN103524844A - High-temperature-resistant cable sheath material and preparation method thereof - Google Patents
High-temperature-resistant cable sheath material and preparation method thereof Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 13
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 13
- 239000010881 fly ash Substances 0.000 claims abstract description 10
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000005662 Paraffin oil Substances 0.000 claims abstract description 7
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 7
- TVWTZAGVNBPXHU-FOCLMDBBSA-N dioctyl (e)-but-2-enedioate Chemical compound CCCCCCCCOC(=O)\C=C\C(=O)OCCCCCCCC TVWTZAGVNBPXHU-FOCLMDBBSA-N 0.000 claims abstract description 7
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims abstract description 7
- 239000000347 magnesium hydroxide Substances 0.000 claims abstract description 7
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims abstract description 7
- 229920001912 maleic anhydride grafted polyethylene Polymers 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 5
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 5
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims abstract description 4
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 4
- 101100207324 Arabidopsis thaliana TPPD gene Proteins 0.000 claims abstract 2
- -1 phosphate toluene diphenyl ester Chemical class 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 12
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 229930185605 Bisphenol Natural products 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 6
- 235000010290 biphenyl Nutrition 0.000 claims description 6
- 239000004305 biphenyl Substances 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 6
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 6
- 229920003986 novolac Polymers 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims description 6
- 229920001897 terpolymer Polymers 0.000 claims description 6
- 239000011701 zinc Substances 0.000 claims description 6
- 229910052725 zinc Inorganic materials 0.000 claims description 6
- YHMYGUUIMTVXNW-UHFFFAOYSA-N 1,3-dihydrobenzimidazole-2-thione Chemical compound C1=CC=C2NC(S)=NC2=C1 YHMYGUUIMTVXNW-UHFFFAOYSA-N 0.000 claims description 3
- RNMDNPCBIKJCQP-UHFFFAOYSA-N 5-nonyl-7-oxabicyclo[4.1.0]hepta-1,3,5-trien-2-ol Chemical compound C(CCCCCCCC)C1=C2C(=C(C=C1)O)O2 RNMDNPCBIKJCQP-UHFFFAOYSA-N 0.000 claims description 3
- 229920001661 Chitosan Polymers 0.000 claims description 3
- 235000013162 Cocos nucifera Nutrition 0.000 claims description 3
- 244000060011 Cocos nucifera Species 0.000 claims description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 3
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 3
- 239000004141 Sodium laurylsulphate Substances 0.000 claims description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 3
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 3
- 239000010428 baryte Substances 0.000 claims description 3
- 229910052601 baryte Inorganic materials 0.000 claims description 3
- 238000010009 beating Methods 0.000 claims description 3
- 238000001354 calcination Methods 0.000 claims description 3
- IKNAJTLCCWPIQD-UHFFFAOYSA-K cerium(3+);lanthanum(3+);neodymium(3+);oxygen(2-);phosphate Chemical compound [O-2].[La+3].[Ce+3].[Nd+3].[O-]P([O-])([O-])=O IKNAJTLCCWPIQD-UHFFFAOYSA-K 0.000 claims description 3
- 239000002817 coal dust Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 3
- 239000010977 jade Substances 0.000 claims description 3
- 238000004898 kneading Methods 0.000 claims description 3
- 238000007885 magnetic separation Methods 0.000 claims description 3
- 229910052590 monazite Inorganic materials 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 238000005453 pelletization Methods 0.000 claims description 3
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 3
- 235000019353 potassium silicate Nutrition 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 3
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 abstract description 6
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052736 halogen Inorganic materials 0.000 abstract description 2
- 150000002367 halogens Chemical class 0.000 abstract description 2
- 229910052760 oxygen Inorganic materials 0.000 abstract description 2
- 239000001301 oxygen Substances 0.000 abstract description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 abstract 2
- XMNDMAQKWSQVOV-UHFFFAOYSA-N (2-methylphenyl) diphenyl phosphate Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C=CC=CC=1)OC1=CC=CC=C1 XMNDMAQKWSQVOV-UHFFFAOYSA-N 0.000 abstract 1
- CCNDOQHYOIISTA-UHFFFAOYSA-N 1,2-bis(2-tert-butylperoxypropan-2-yl)benzene Chemical compound CC(C)(C)OOC(C)(C)C1=CC=CC=C1C(C)(C)OOC(C)(C)C CCNDOQHYOIISTA-UHFFFAOYSA-N 0.000 abstract 1
- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical compound C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 abstract 1
- 229920002943 EPDM rubber Polymers 0.000 abstract 1
- 229910001570 bauxite Inorganic materials 0.000 abstract 1
- 239000002131 composite material Substances 0.000 abstract 1
- 239000012975 dibutyltin dilaurate Substances 0.000 abstract 1
- 239000000945 filler Substances 0.000 abstract 1
- DZCCLNYLUGNUKQ-UHFFFAOYSA-N n-(4-nitrosophenyl)hydroxylamine Chemical compound ONC1=CC=C(N=O)C=C1 DZCCLNYLUGNUKQ-UHFFFAOYSA-N 0.000 abstract 1
- 239000004843 novolac epoxy resin Substances 0.000 abstract 1
- 239000000779 smoke Substances 0.000 abstract 1
- 239000011787 zinc oxide Substances 0.000 abstract 1
- 230000032683 aging Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- PTVDYARBVCBHSL-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu] PTVDYARBVCBHSL-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a high-temperature-resistant cable sheath material and a preparation method thereof. The sheath material comprises the following raw materials in parts by weight: 70-80 of high density polyethylene, 20-30 of ethylene-propylene-diene monomer, 10-15 of maleic anhydride grafted polyethylene, 5-10 of bisphenol A novolac epoxy resin, 8-12 of diphenyl tolyl phosphate, 4-8 of dioctyl maleate, 0.5-1 of di(tert-butylperoxyisopropyl)benzene, 2-3 of p-benzoquinone dioxime, 1-2 of triallyl isocyanurate, 3-5 of paraffin oil, 2-3 of active zinc oxide, 10-15 of magnesium hydroxide, 5-10 of aluminum hydroxide, 4-6 of talcum powder, 8-12 of fly ash, 5-10 of nano bauxite, 2-3 of dibutyltin dilaurate, 1-2 of an anti-aging agent MB, 1-2 of an anti-aging agent TPPD, and 4-6 of a composite filler. The sheath material prepared by the invention not only has good high temperature resistance and can be used in a 125 DEG C working environment for a long time, but also has good flame retardant effect, has the oxygen index of more than 35%, has non halogen and low smoke, and solves the problem of poor heat resistance of a high-flame-retardant sheath material.
Description
Technical field
The present invention relates to a kind of cable jacket material and preparation method thereof, be specifically related to a kind of high temperature resistant sheath material and preparation method thereof for cable.
Background technology
Cable sheath is the indispensable intermediate structure part of cable, plays a part protection cable, guarantees the energising safety of cable, makes the media such as copper wire and water, air isolated, avoids occurring leaky.Existing market adopts polythene material as halogen-free flameproof sheath material more, in order to guarantee flame retardant effect, in sheath material, a large amount of fire retardant materials of filling, cause the thermotolerance of sheath material and ageing resistance greatly to reduce, thereby have limited its environment for use and use temperature.
Summary of the invention
The object of the invention is to guaranteeing on the basis of sheath material flame retardant effect, a kind of high temperature resistant sheath material and preparation method thereof for cable is provided.
The technical solution used in the present invention is as follows:
The high temperature resistant sheath material of a kind of cable, raw material by following weight part is made: high density polyethylene(HDPE) 70-80, terpolymer EP rubber 20-30, maleic anhydride grafted polyethylene 10-15, bisphenol A-type novolac epoxy 5-10, phosphate toluene diphenyl ester 8-12, dioctyl maleate 4-8, dual-tert-butyl peroxy isopropyl base benzene 0.5-1, p-benzoqui(o)none dioxime 2-3, cyanacrylate 1-2, paraffin oil 3-5, active zinc flower 2-3, magnesium hydroxide 10-15, aluminium hydroxide 5-10, talcum powder 4-6, flyash 8-12, nano aluminum alumina 5-10, dibutyl tin laurate 2-3, antioxidant MB 1-2, anti-aging agent TPPD1-2, compounded mix 4-6,
The preparation method of described compounded mix is as follows: a, by weight 4-6:3-5:2-3, take wilkinite, barite, monazite, the coal dust that adds again wilkinite weight 2-3%, the gac of 1-2%, mix rear 540-560 ℃ of calcining 3-5h, be cooled to after normal temperature below powder particle diameter to 15 μ m, then add water making beating and make the slurries that concentration is 40-50%, adding concentration is the hydrochloric acid soln adjusting slurries PH to 4.5-5.5 of 10-15%, 70-80 ℃ of heating in water bath 2-3h, the sodium hydroxide solution that is 10-15% by concentration again regulates PH to neutral, then the polyoxyethylene nonylphenol ether that adds slurry weight 2-3%, the sodium lauryl sulphate of 3-4%, the N of 2-3%, N-bis-(hydroxyethyl) coconut oleoyl amine, the flyash of 1-2%, the polyoxyethylene glycol of 2-3% and the water glass of 3-5%, below speed lapping slurry particle diameter to 10 μ m, be spray dried to powder, b, to adding the jade powder of 2-3% in the above-mentioned powder making, the zirconium English powder of 1-2%, the sodium polyacrylate of 3-4%, the tetra isopropyl two of the chitosan of 1-2% and 0.5-1% (dioctyl phosphorous acid acyloxy) titanic acid ester, high speed shear is disperseed 10-15min.
A preparation method for high temperature resistant sheath material for cable, comprises the following steps: high-speed kneading machine is heated to 50-60 ℃, adds terpolymer EP rubber, compounded mix, phosphate toluene diphenyl ester, dioctyl maleate, active zinc flower, mediate 3-5min; Then be warming up to 75-85 ℃, add high density polyethylene(HDPE), maleic anhydride grafted polyethylene, bisphenol A-type novolac epoxy, paraffin oil, magnesium hydroxide, aluminium hydroxide, flyash, nano aluminum alumina, mediate 4-8min, add again all the other raw materials, continue to mediate 2-3min, be cooled to 45 ℃ and get final product below discharging; Then compound is dropped into twin screw extruder and carry out extruding pelletization, the working temperature of twin screw extruder is 160-180 ℃, finally by air-cooled, screening magnetic separation, metering, packing, obtains required sheath material.
Beneficial effect of the present invention:
The sheath material that the present invention makes not only high thermal resistance is good, can be for a long time for the Working environment of 125 ℃, and good flame retardation effect, oxygen index reaches more than 35%, Halogen, low cigarette, solved the problem of high flame retardant sheath material poor heat resistance, there is the performances such as good physical strength, ageing resistance, resistance to acids and bases, shock resistance, wear resistance simultaneously, extended the work-ing life of sheath, widened the use range of sheath.
Embodiment
The high temperature resistant sheath material of a kind of cable, raw material by following weight (kg) is made: high density polyethylene(HDPE) 75, terpolymer EP rubber 25, maleic anhydride grafted polyethylene 12, bisphenol A-type novolac epoxy 8, phosphate toluene diphenyl ester 10, dioctyl maleate 6, dual-tert-butyl peroxy isopropyl base benzene 0.7, p-benzoqui(o)none dioxime 2.5, cyanacrylate 1.5, paraffin oil 4, active zinc flower 2, magnesium hydroxide 12, aluminium hydroxide 8, talcum powder 5, flyash 10, nano aluminum alumina 8, dibutyl tin laurate 2, antioxidant MB 2, anti-aging agent TPPD1, compounded mix 5,
The preparation method of described compounded mix is as follows: a, by weight 5:3:3, take wilkinite, barite, monazite, the coal dust that adds again wilkinite weight 2.5%, 1.5% gac, mix rear 550 ℃ of calcining 4h, be cooled to after normal temperature below powder particle diameter to 15 μ m, then adding water making beating, to make concentration be 45% slurries, adding concentration is that 15% hydrochloric acid soln regulates slurries PH to 4.5, 80 ℃ of heating in water bath 2h, the sodium hydroxide solution that is 12% by concentration again regulates PH to neutral, then the polyoxyethylene nonylphenol ether that adds slurry weight 2%, 4% sodium lauryl sulphate, 3% N, N-bis-(hydroxyethyl) coconut oleoyl amine, 1% flyash, 2% polyoxyethylene glycol and 3% water glass, below speed lapping slurry particle diameter to 10 μ m, be spray dried to powder, b, to adding 2.5% jade powder, 1.5% zirconium English powder, 3% sodium polyacrylate, 1% chitosan and 0.7% tetra isopropyl two (dioctyl phosphorous acid acyloxy) titanic acid ester in the above-mentioned powder making, high speed shear is disperseed 15min.
A preparation method for high temperature resistant sheath material for cable, comprises the following steps: high-speed kneading machine is heated to 50-60 ℃, adds terpolymer EP rubber, compounded mix, phosphate toluene diphenyl ester, dioctyl maleate, active zinc flower, mediate 4min; Then be warming up to 75-85 ℃, add high density polyethylene(HDPE), maleic anhydride grafted polyethylene, bisphenol A-type novolac epoxy, paraffin oil, magnesium hydroxide, aluminium hydroxide, flyash, nano aluminum alumina, mediate 6min, add again all the other raw materials, continue to mediate 2min, be cooled to 45 ℃ and get final product below discharging; Then compound is dropped into twin screw extruder and carry out extruding pelletization, the working temperature of twin screw extruder is 160-180 ℃, finally by air-cooled, screening magnetic separation, metering, packing, obtains required sheath material.
The performance test results of the sheath material making is as follows:
Claims (2)
1. the high temperature resistant sheath material of cable, it is characterized in that, raw material by following weight part is made: high density polyethylene(HDPE) 70-80, terpolymer EP rubber 20-30, maleic anhydride grafted polyethylene 10-15, bisphenol A-type novolac epoxy 5-10, phosphate toluene diphenyl ester 8-12, dioctyl maleate 4-8, dual-tert-butyl peroxy isopropyl base benzene 0.5-1, p-benzoqui(o)none dioxime 2-3, cyanacrylate 1-2, paraffin oil 3-5, active zinc flower 2-3, magnesium hydroxide 10-15, aluminium hydroxide 5-10, talcum powder 4-6, flyash 8-12, nano aluminum alumina 5-10, dibutyl tin laurate 2-3, antioxidant MB 1-2, anti-aging agent TPPD 1-2, compounded mix 4-6,
The preparation method of described compounded mix is as follows: a, by weight 4-6:3-5:2-3, take wilkinite, barite, monazite, the coal dust that adds again wilkinite weight 2-3%, the gac of 1-2%, mix rear 540-560 ℃ of calcining 3-5h, be cooled to after normal temperature below powder particle diameter to 15 μ m, then add water making beating and make the slurries that concentration is 40-50%, adding concentration is the hydrochloric acid soln adjusting slurries PH to 4.5-5.5 of 10-15%, 70-80 ℃ of heating in water bath 2-3h, the sodium hydroxide solution that is 10-15% by concentration again regulates PH to neutral, then the polyoxyethylene nonylphenol ether that adds slurry weight 2-3%, the sodium lauryl sulphate of 3-4%, the N of 2-3%, N-bis-(hydroxyethyl) coconut oleoyl amine, the flyash of 1-2%, the polyoxyethylene glycol of 2-3% and the water glass of 3-5%, below speed lapping slurry particle diameter to 10 μ m, be spray dried to powder, b, to adding the jade powder of 2-3% in the above-mentioned powder making, the zirconium English powder of 1-2%, the sodium polyacrylate of 3-4%, the tetra isopropyl two of the chitosan of 1-2% and 0.5-1% (dioctyl phosphorous acid acyloxy) titanic acid ester, high speed shear is disperseed 10-15min.
2. the preparation method of high temperature resistant sheath material for cable as claimed in claim 1, it is characterized in that comprising the following steps: high-speed kneading machine is heated to 50-60 ℃, add terpolymer EP rubber, compounded mix, phosphate toluene diphenyl ester, dioctyl maleate, active zinc flower, mediate 3-5min; Then be warming up to 75-85 ℃, add high density polyethylene(HDPE), maleic anhydride grafted polyethylene, bisphenol A-type novolac epoxy, paraffin oil, magnesium hydroxide, aluminium hydroxide, flyash, nano aluminum alumina, mediate 4-8min, add again all the other raw materials, continue to mediate 2-3min, be cooled to 45 ℃ and get final product below discharging; Then compound is dropped into twin screw extruder and carry out extruding pelletization, the working temperature of twin screw extruder is 160-180 ℃, finally by air-cooled, screening magnetic separation, metering, packing, obtains required sheath material.
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